postal-code-checker is a comprehensive JavaScript/TypeScript package for validating postal codes across multiple countries. It provides an easy-to-use API for country selection and postal code validation, making it ideal for forms and address validation in web applications.
Lightweight, type-safe database query builder for Go with zero production dependencies. Advanced SQL features (JOINs, subqueries, CTEs, window functions), batch operations (3x faster), LRU statement cache (<60ns). Professional API documentation. PostgreSQL, MySQL, SQLite support.
Self-documenting APIs for Go's net/http: wrap your ServeMux and it serves a /docs UI (Scalar, Swagger UI, Redoc, Stoplight) plus the generated OpenAPI 3.0/3.1/3.2 spec. Zero dependencies.
Embedded NoSQL database for Node.js — pure JavaScript SQLite alternative with MongoDB-style queries. Zero native dependencies, no node-gyp, works in Electron & CLI tools. 15,000+ npm downloads per year.
Causal inference and causal discovery for Go: Granger causality, PC-stable and DirectLiNGAM structure learning in pure standard library - zero dependencies, CGO-free, deterministic.
Profanity filter (penapis kata kotor) Bahasa Indonesia untuk Go/Golang. Cepat, zero-dependency, dengan fitur affix detection (imbuhan) dan leet speak obfuscation.